If the keyboard is already open, but the editor thinks that the
keyboard is not open, the text will not be updated when writing.
This can easily happen if one has a `TabBarView` with two children,
each with an `QuillEditor`, see the code for an example:
<details><summary>Example</summary>
```dart
import 'package:flutter/material.dart';
import 'package:flutter_quill/widgets/controller.dart';
import 'package:flutter_quill/widgets/editor.dart';
void main() => runApp(MyApp());
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
late QuillController _controller1;
late QuillController _controller2;
@override
void initState() {
_controller1 = QuillController.basic();
_controller2 = QuillController.basic();
super.initState();
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: DefaultTabController(
length: 2,
child: Scaffold(
appBar: AppBar(
title: Text('Flutter Quill tabs demo'),
bottom: TabBar(
tabs: [
Tab(text: 'First'),
Tab(text: 'Second'),
],
),
),
body: TabBarView(
children: [
QuillEditor.basic(controller: _controller1, readOnly: false),
QuillEditor.basic(controller: _controller2, readOnly: false),
],
),
),
),
);
}
}
</details>
<details><summary>Video</summary>
</details>